Architectural · A-2HVPD

Parapet and Roof Edge Detail at Architectural Precast Panel

Materials

Concrete Steel Cold-formed Steel Timber / Wood Metal (misc.)Gypsum / Drywall Composite

Elements

Columns Roofs Parapets Floors / Slabs Decks Waterproofing / Flashing Insulation Drainage

Connections

Shear Stud / Composite

About this detail

This wall section details a parapet and roof edge assembly supported by primary structural steel framing with sprayed fireproofing and a two-hour rated mineral wool fire stopping. The floor structure consists of a five and a half inch lightweight concrete slab on a two-inch metal composite deck tied to an architectural precast concrete exterior panel with a one and a half inch medium density closed cell spray foam thermal insulation and six-inch metal studs with five-eighths inch gypsum wallboard. The roof assembly incorporates four inches of minimum tapered rigid insulation sloped to drain, a coverboard, and a modified bitumen roof with a multiple-ply membrane base flashing extending to an eight-inch minimum height. Protection and weatherproofing are completed with a removable sheet metal counterflashing, extended base flashing, compressible elastomeric sealant or tape, and a flexible vapor retarder with compressible insulation.

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